Question 4: The Summerland Oil Field (and
Summerland Offshore Oil Field) is an inactive oil field in ________, about four miles east of the city of Santa Barbara, within and
adjacent to the unincorporated community of Summerland.

Question 5: Another unit
underneath the Casitas Formation, the Oligocene-age Vaqueros Sandstone, also
contains considerable quantities of petroleum, with the capping
unit being the impermeable ________-age Rincon Formation.